There are 2 main definitions of pinion in English:

pinion1

Line breaks: pin¦ion
Pronunciation: /ˈpɪnjən
 
/

noun

1The outer part of a bird’s wing including the flight feathers.
More example sentences
  • Buglike, and reminding me of dragonfly wings were two long pinions, and just under them were two more.
  • The shadows melded to her as though painted on by the pinions of angel wings.
  • An avian lieutenant with gray pinions chose this moment to arrive, ‘We assumed they would light once they hit the ground.’
1.1 literary A bird’s wing as used in flight.
More example sentences
  • Nor the pride, nor ample pinion, That the Theban Eagle bear, Sailing with supreme dominion Thro' the azure deep of air.
  • Far as eagle's pinion, or dove's light wing can soar.

verb

[with object] Back to top  
1Restrain or immobilize (someone) by tying up or holding their arms or legs: he was pinioned to the ground
More example sentences
  • The matronly Judith, unable to hack off Holofernes's head, carves through it with businesslike concentration, pinioning him to the blood-weltering bed with the help of her equally brutish maidservant.
  • Finally, with a magnificent sense of the dramatic, we were pinioned by headlights against a wall in a blind alley.
  • Oh, Mr. Goose, it appears that you are pinioned behind a wall of chain!
Synonyms
hold down, pin down, press down, restrain, constrain, hold fast, immobilize;
informal cuff
1.1Tie up or hold (the arms or legs) of a person: I struggled to rise but my arms were pinioned
More example sentences
  • But before he could finish his sentence, he felt his legs pinioned by a frantic set of arms.
  • Mara was behind it in a flash, pinioning the figure's arms to its sides.
  • Though her arms were pinioned back by the soldiers, she threw herself on her knees before the ruler.
2Cut off the pinion of (a wing or bird) to prevent flight.
More example sentences
  • Swans are caught and their wings' flight feathers are clipped, or pinioned.

Origin

late Middle English: from Old French pignon, based on Latin pinna, penna 'feather'.

Definition of pinion in:

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There are 2 main definitions of pinion in English:

pinion2

Line breaks: pin¦ion
Pronunciation: /ˈpɪnjən
 
/

noun

A small cogwheel or spindle engaging with a large cogwheel.
More example sentences
  • It is used for railroad frogs, for steel mill coupling housings, pinions, spindles, and for dipper lips of power shovels operating in quarries.
  • Manganese bronzes are specified for marine propellers and fittings, pinions, ball-bearing races, worm wheels, gear-shift forks and architectural work.
  • The mechanism is almost entirely made of wood, with the movement, frame and wheels in oak, the pendulum in mahogany, and the spindles and pinions in boxwood.

Origin

mid 17th century: from French pignon, alteration of obsolete pignol, from Latin pinea 'pine cone', from pinus 'pine'.

Definition of pinion in: